99838284 has 144 divisors (see below), whose sum is σ = 300571488. Its totient is φ = 25546752.

The previous prime is 99838261. The next prime is 99838301. The reversal of 99838284 is 48283899.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282652 + ... + 283004.

It is an arithmetic number, because the mean of its divisors is an integer number (2087302).

Almost surely, 2^99838284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99838284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150285744).

99838284 is an abundant number, since it is smaller than the sum of its proper divisors (200733204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99838284 is a wasteful number, since it uses less digits than its factorization.

99838284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 415 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 99838284 is about 9991.9109283460. The cubic root of 99838284 is about 463.9085419721.

The spelling of 99838284 in words is "ninety-nine million, eight hundred thirty-eight thousand, two hundred eighty-four".